Allen key is used to tighten (A) Cap screw with hexagonal head (B) Cap screw with fillister head (C) Cap screw with hexagonal socket head (D) Cap screw with flat head

Allen key is used to tighten

(A) Cap screw with hexagonal head

(B) Cap screw with fillister head

(C) Cap screw with hexagonal socket head

(D) Cap screw with flat head
by

1 Answer

Answer :

(C) Cap screw with hexagonal socket head
by

Related questions

Fillister, button, flat and hexagonal heads are all tightened externally. a) True b) False

Description : Fillister, button, flat and hexagonal heads are all tightened externally. a) True b) False

Last Answer : b) False

Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (A) A smaller nut is tightened against main nut creating friction at the contacting surface

Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut

Which type of screw fasteners are threaded through out its length? a. Cap screws b. Set screws c. Studs d. Tap bolt

Description : Which type of screw fasteners are threaded through out its length? a. Cap screws b. Set screws c. Studs d. Tap bolt

Last Answer : b. Set screws

Which of the following requires more space for the rotation of spanner? a) Square Head b) Hexagonal Head c) Both require equal space of rotation d) Cannot be stated

Description : Which of the following requires more space for the rotation of spanner? a) Square Head b) Hexagonal Head c) Both require equal space of rotation d) Cannot be stated

Last Answer : a) Square Head

The shock absorbing capacity of a bolt can be increased by (A) Increasing shank diameter (B) Making shank diameter equal to core diameter of threads (C) Using castle nut in place of ordinary hexagonal nut (D) Using a washer

Description : The shock absorbing capacity of a bolt can be increased by (A) Increasing shank diameter (B) Making shank diameter equal to core diameter of threads (C) Using castle nut in place of ordinary hexagonal nut (D) Using a washer

Last Answer : (B) Making shank diameter equal to core diameter of threads

Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned. a) True b) False

Description : Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned. a) True b) False

Last Answer : b) False

Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned. a) True b) False

Description : Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned. a) True b) False

Last Answer : b) False

The standard length for square or flat key in terms of shaft diameter (D) is, (A) d (B) 2d (C) 1.5d (D) 2.5d

Description : The standard length for square or flat key in terms of shaft diameter (D) is, (A) d (B) 2d (C) 1.5d (D) 2.5d

Last Answer : (C) 1.5d

A 7 years-old child has class I malocclusion, slight version of maxillary class III, adequate arch length. What is your management: A. Oral screen B. Head cap therapy C. Inclined plane on mandibular anterior teeth D. Hawley plate E. Expansion screw plate

Description : A 7 years-old child has class I malocclusion, slight version of maxillary class III, adequate arch length. What is your management: A. Oral screen B. Head cap therapy C. Inclined plane on mandibular anterior teeth D. Hawley plate E. Expansion screw plate

Last Answer : C. Inclined plane on mandibular anterior teeth

Which of the subsequent must not be a section of cotter joint? a) Socket b) Spigot c) Cotter d) Collar

Description : Which of the subsequent must not be a section of cotter joint? a) Socket b) Spigot c) Cotter d) Collar

Last Answer : d) Collar

A backing ring is used inside the pipe joint when making a (a) butt weld (b) fillet weld (c) sleeve weld (d) socket weld (e) tube weld.

Description : A backing ring is used inside the pipe joint when making a (a) butt weld (b) fillet weld (c) sleeve weld (d) socket weld (e) tube weld.

Last Answer : (a) butt weld

A knuckle joint is also called socket pin joint. a) True b) False

Description : A knuckle joint is also called socket pin joint. a) True b) False

Last Answer : b) False

Which of the following is not a part of cotter joint? a) Socket b) Spigot c) Cotter d) Collar

Description : Which of the following is not a part of cotter joint? a) Socket b) Spigot c) Cotter d) Collar

Last Answer : d) Collar

If the lateral force acting on the set screw is large and tends to displace one part with respect to other than which point is recommended? a) Dog Point b) Cone Point c) Window Point d) Cut Point

Description : If the lateral force acting on the set screw is large and tends to displace one part with respect to other than which point is recommended? a) Dog Point b) Cone Point c) Window Point d) Cut Point

Last Answer : a) Dog Point

If a fastener is threaded into a tapped hole, then the fastener is likely to be called as a) Screw b) Bolt c) Washer d) Screw or bolt

Description : If a fastener is threaded into a tapped hole, then the fastener is likely to be called as a) Screw b) Bolt c) Washer d) Screw or bolt

Last Answer : a) Screw

Maximum possible efficiency of a self-locking screw is a) 50% b) 75% c) 66% d) 33%

Description : Maximum possible efficiency of a self-locking screw is a) 50% b) 75% c) 66% d) 33%

Last Answer : a) 50%

Efficiency of the screw _______ with increase of coefficient of friction. a) decreases b) increases c) has no effect d) cannot be determined

Description : Efficiency of the screw _______ with increase of coefficient of friction. a) decreases b) increases c) has no effect d) cannot be determined

Last Answer : a) decreases

Efficiency of the screw depends upon helix angle but does not depend on friction angle. a) True b) False

Description : Efficiency of the screw depends upon helix angle but does not depend on friction angle. a) True b) False

Last Answer : b) False

Efficiency of screw depends upon lead of the screw. a) True b) False

Description : Efficiency of screw depends upon lead of the screw. a) True b) False

Last Answer : a) True

Nominal diameter of the screw thread is the same as core diameter. a) True b) False

Description : Nominal diameter of the screw thread is the same as core diameter. a) True b) False

Last Answer : b) False

Threads used in screw fasteners are ______ a. having high strength b. having low efficiency c. single start type d. all of the above

Description : Threads used in screw fasteners are ______ a. having high strength b. having low efficiency c. single start type d. all of the above

Last Answer : d. all of the above

A screw is specified by (A) Major diameter (B) Minor diameter (C) Pitch diameter (D) Mean diameter

Description : A screw is specified by (A) Major diameter (B) Minor diameter (C) Pitch diameter (D) Mean diameter

Last Answer : (A) Major diameter

The largest diameter of external or internal screw thread is called (A) Major diameter (B) Minor diameter (C) Pitch diameter (D) None of the above

Description : The largest diameter of external or internal screw thread is called (A) Major diameter (B) Minor diameter (C) Pitch diameter (D) None of the above

Last Answer : (A) Major diameter

Setscrews are (A) Similar to tap bolts except that a greater variety of shapes of heads are available (B) Slotted for screw driver and generally used with a nut (C) Used to prevent relative motion between parts (D) Similar to studs

Description : Setscrews are (A) Similar to tap bolts except that a greater variety of shapes of heads are available (B) Slotted for screw driver and generally used with a nut (C) Used to prevent relative motion between parts (D) Similar to studs

Last Answer : (C) Used to prevent relative motion between parts

While designing screw threads, adequate length of engaged threads between the screw and nut is provided so as to prevent failure of threads due to (A) Direct shear stress (B) Torsional shear stress (C) Tensile stress (D) Compressive stress

Description : While designing screw threads, adequate length of engaged threads between the screw and nut is provided so as to prevent failure of threads due to (A) Direct shear stress (B) Torsional shear stress (C) Tensile stress (D) Compressive stress

Last Answer : (A) Direct shear stress

The maximum efficiency of a square threaded screw is (A) (1 - sinφ)/ (1 + sinφ) (B) (1 + sinφ)/ (1 - sinφ)s (C) (1 - sinφ)/ (1 + cosφ) (D) (1 + cosφ)/ (1 - sinφ)

Description : The maximum efficiency of a square threaded screw is (A) (1 - sinφ)/ (1 + sinφ) (B) (1 + sinφ)/ (1 - sinφ)s (C) (1 - sinφ)/ (1 + cosφ) (D) (1 + cosφ)/ (1 - sinφ)

Last Answer : (A) (1 - sinφ)/ (1 + sinφ)

In manual assembly, cost of screw is higher than the cost of driving a screw. a) True b) False

Description : In manual assembly, cost of screw is higher than the cost of driving a screw. a) True b) False

Last Answer : b) False

If you screw a light bulb into a socket by turning the bulb toward the right with your right hand, which way would you turn the socket with your left hand in order to unscrew it while holding the bulb stationary? -Riddles

Description : If you screw a light bulb into a socket by turning the bulb toward the right with your right hand, which way would you turn the socket with your left hand in order to unscrew it while holding the bulb stationary? -Riddles

Last Answer : To the right. It's always the same direction.

A screw jack has 4 threads per inch. The mean radius of the thread is 2.338 inches. The mean diameter of the bearing surface under the cap is 3.25 inches. What is the turning moment required to raise the bload of 150 kg ( a.5.61 kg-inch b.50.6 kg-inch c.107 dynes d.30.3 kg-inch e.23.6 kg-inch

Description : A screw jack has 4 threads per inch. The mean radius of the thread is 2.338 inches. The mean diameter of the bearing surface under the cap is 3.25 inches. What is the turning moment required to raise the bload of 150 kg ( a.5.61 kg-inch b.50.6 kg-inch c.107 dynes d.30.3 kg-inch e.23.6 kg-inch

Last Answer : b. 50.6 kg-inch

How much insulation R factor do I need in exterior walls for Southeast Georgia sumertime heat Is greenboard and plastic necesary for carboy long term storage and screw cap 1.75 liter bottle storage How important is moisture in those conditions?

Description : How much insulation R factor do I need in exterior walls for Southeast Georgia sumertime heat Is greenboard and plastic necesary for carboy long term storage and screw cap 1.75 liter bottle storage How important is moisture in those conditions?

Last Answer : Plastic deteriorates in the sun. Good insulation is very important. I suggest going to Home Depot. They have free classes.

How do I tighten the ball head on my tripod?

Description : How do I tighten the ball head on my tripod?

Last Answer : That is exactly the same as mine. The lever on the side of the ball joint should tighten it and hold it in place. I wish I could have a closer look. Is it completely screwed down onto the base?

In sliding contact bearings, a positive pressure can be built up and a load supported by a fluid only by the use of a: [IES-2005] (a) Diverging film (b) Converging-diverging film (c) Converging film (d) Flat film

Description : In sliding contact bearings, a positive pressure can be built up and a load supported by a fluid only by the use of a: [IES-2005] (a) Diverging film (b) Converging-diverging film (c) Converging film (d) Flat film

Last Answer : (c) Converging film

Use of multiple notches in a V shaped flat plate will a) Reduce the stress concentration b) Increase the stress concentration c) No effect d) Cannot be determined

Description : Use of multiple notches in a V shaped flat plate will a) Reduce the stress concentration b) Increase the stress concentration c) No effect d) Cannot be determined

Last Answer : a) Reduce the stress concentration

For an elliptical hole on a flat plate, if width of the hole in direction of the load decrease, Stress Concentration Factor will______ a) Increase b) Decrease c) Remains constant d) Can’t be determined. Varies from material to material

Description : For an elliptical hole on a flat plate, if width of the hole in direction of the load decrease, Stress Concentration Factor will______ a) Increase b) Decrease c) Remains constant d) Can’t be determined. Varies from material to material

Last Answer : a) Increase

If a flat plate with a circular hole is subjected to tensile force, then its theoretical stress concentration factor is? a) 2 b) 3 c) 4 d) 1

Description : If a flat plate with a circular hole is subjected to tensile force, then its theoretical stress concentration factor is? a) 2 b) 3 c) 4 d) 1

Last Answer : b) 3

Feather key can be used to prevent axial motion between two elements. a) True b) False

Description : Feather key can be used to prevent axial motion between two elements. a) True b) False

Last Answer : b) False

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Last Answer : b) 51.6N/mm2

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Last Answer : b) 25.8N/mm2

Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm2. The diameter of shaft and width of key can be taken as 40mm and 10mm respectively. a) 49mm b) 36mm c) 46mm d) 53mm

Description : Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm2. The diameter of shaft and width of key can be taken as 40mm and 10mm respectively. a) 49mm b) 36mm c) 46mm d) 53mm

Last Answer : d) 53mm

Woodruff key permits _____ movement b/w shaft and the hub. a) Axial b) Radial c) Eccentric d) None of the listed

Description : Woodruff key permits _____ movement b/w shaft and the hub. a) Axial b) Radial c) Eccentric d) None of the listed

Last Answer : b) Radial

The main advantage of sunk key is that it is a _____ drive. a) Positive b) Negative c) Neutral d) None of the listed

Description : The main advantage of sunk key is that it is a _____ drive. a) Positive b) Negative c) Neutral d) None of the listed

Last Answer : a) Positive

Saddle key is more suitable than sunk key for heavy duty applications. a) True b) False

Description : Saddle key is more suitable than sunk key for heavy duty applications. a) True b) False

Last Answer : b) False

A sunk key fits in the keyway of the _____ only. a) Hub b) Sleeve c) Both hub and sleeve d) Neither hub nor sleeve

Description : A sunk key fits in the keyway of the _____ only. a) Hub b) Sleeve c) Both hub and sleeve d) Neither hub nor sleeve

Last Answer : a) Hub

In sunk key no slips occurs A. True B. False

Description : In sunk key no slips occurs A. True B. False

Last Answer : A. True

Sunk key is a .............. drive. A. Positive B. Negative C. Neutral D. None

Description : Sunk key is a .............. drive. A. Positive B. Negative C. Neutral D. None

Last Answer : A. Positive

Saddle key is transmit power or torque through friction resistant only A. True B. False

Description : Saddle key is transmit power or torque through friction resistant only A. True B. False

Last Answer : A. True

In sunk key no slips occurs A. True B. False

Description : In sunk key no slips occurs A. True B. False

Last Answer : A. True

Taper is given on key is generally.......... A. Top side only B. Bottom side only C. On both side D. Any side

Description : Taper is given on key is generally.......... A. Top side only B. Bottom side only C. On both side D. Any side

Last Answer : A. Top side only

Taper on rectangular sink key is ....... A. 1 in 16 B. 1 in 48 C. 1 in 100 D. 1 in 120

Description : Taper on rectangular sink key is ....... A. 1 in 16 B. 1 in 48 C. 1 in 100 D. 1 in 120

Last Answer : C. 1 in 100